[Gluster-users] crash in __socket_ioq_new

[Shehjar Tikoo]

Chetan Ahuja wrote:
> I posted this on irc (#gluster) a couple of times in the last few days but
> got no response. Trying my luck here:
> 
>  <chetan> I'm seeing this crash in 2.0.1 server codebase
>  #4  0x00007f6a42848a56 in free () from /lib/libc.so.6
>  #5  0x00007f6a4157ff99 in __socket_ioq_new (this=<value optimized out>,
> buf=0x1 <Address 0x1 out of ≠, len=<value optimized out>,
> vector=0x7f6a3c019db0,   count=1006736528, iobref=0x0) at socket.c:313
>  #6  0x00007f6a41581c08 in socket_event_handler (fd=5883, idx=5883,
> data=0x6, poll_in=-1, poll_out=1116630944, poll_err=0) at socket.c:796
> 
>   This happened on  volume with 4 bricks. Two subvolumes of two replicas
> each and the final volume distributed over the replicas. There are a large
> set of clients writing to these volumes. The write patterns are such that
> all clients are writing into different files. In other words, no two clients
> are writing simultaneously to the same file at any time.
> 
>   I haven't seen this stack trace on either the mailing list archives or the
> bugzilla and I don't see any code changes in the relevant code in 2.0.6
> either.  If the developers would confirm that if it's a known bug and/or has
> a known workaround... I'd really appreciate that.
> 

Hi

A bug in this code path was fixed in 2.0.1. For eg, see:
http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=29

Please confirm if you continue to observe the crash in subsequent
releases.
Thanks for reporting anyway.

-Shehjar

> Thanks a lot
> Chetan
> 
> 
> 
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